Leonardo Bonucci's transfer to Milan shocked the Football world. Many Juve fans were very upset by this transfer as Bonucci was perceived to be one of the leaders of the team. Some of Bonucci's ex-teammates sent him farewell messages (like Buffon) others did not (like Chiellini). Even if this isn't a direct message, many Juve fans consider Chiellini's changed profile picture (on Twitter) to be a direct message to Bonucci. In fact, Chiellini added a picture of himself with the Juve crest in his hands...
